Alexandra Harmon-Threatt

Search results

• 2024

  Neonicotinoid contamination in conservation areas affects bees more sharply than beetles

  Tetlie, J. & Harmon-Threatt, A., 2024, In: Frontiers in Ecology and Evolution. 12, 1347526.

  Research output: Contribution to journal › Article › peer-review

  Open Access

  • Neonicotinoids 100%
  • Conservation Areas 100%
  • Neonicotinoid 100%
  • Clothianidin 37%
  • Native Bees 25%

• Pollinator seed mixes are phenologically dissimilar to prairie remnants

  Zinnen, J., Chase, M. H., Charles, B., Harmon-Threatt, A. & Matthews, J. W., 2024, (Accepted/In press) In: Restoration Ecology.

  Research output: Contribution to journal › Article › peer-review

  Open Access

  • Pollinators 100%
  • Seed Mixture 100%
  • Prairie Remnants 100%
  • Seeds 100%
  • Pollinator 100%
• 2023

  Bee functional traits and their relationship to pollination services depend on many factors: A meta-regression analysis

  Chase, M. H., Fraterrigo, J. M. & Harmon-Threatt, A., May 2023, In: Insect Conservation and Diversity. 16, 3, p. 313-323 11 p.

  Research output: Contribution to journal › Article › peer-review

  Open Access

  • Regression Analysis 100%
  • Functional Traits 100%
  • Pollination 100%
  • Pollination Services 100%
  • Tongue 100%

• Bee movement between natural fragments is rare despite differences in species, patch, and matrix variables

  Harmon-Threatt, A. N. & Anderson, N. L., Oct 2023, In: Landscape Ecology. 38, 10, p. 2519-2531 13 p.

  Research output: Contribution to journal › Article › peer-review

  • Matrix Variable 100%
  • Habitat Patch 100%
  • Natural Fragments 100%
  • Fragmented Landscape 50%
  • Natural Systems 25%

• Changes in predator biomass may mask the negative effects of neonicotinoids on primary consumers in field settings

  Harmon, G. T., Harmon-Threatt, A. N. & Anderson, N. L., Mar 2023, In: Insect Conservation and Diversity. 16, 2, p. 298-305 8 p.

  Research output: Contribution to journal › Article › peer-review

  Open Access

  • Negative Effects 100%
  • Neonicotinoids 100%
  • Clothianidin 100%
  • Primary Consumers 100%
  • Neonicotinoid 100%

• Diverse forest management strategies support functionally and temporally distinct bee communities

  Chase, M. H., Charles, B., Harmon-Threatt, A. & Fraterrigo, J. M., Nov 2023, In: Journal of Applied Ecology. 60, 11, p. 2375-2388 14 p.

  Research output: Contribution to journal › Article › peer-review

  Open Access

  • Bee Communities 100%
  • Forest Management Strategies 100%
  • Forest Management 100%
  • Ecosystem Services 75%
  • Floral Resources 75%

• Insights into natal origins of migratory Nearctic hover flies (Diptera: Syrphidae): new evidence from stable isotope (δ²H) assignment analyses

  Clem, C. S., Hobson, K. A. & Harmon-Threatt, A. N., Feb 2023, In: Ecography. 2023, 2, e06465.

  Research output: Contribution to journal › Article › peer-review

  Open Access

  • New Evidence 100%
  • Hovering 100%
  • Nearctic 100%
  • Stable Isotopes 100%
  • Syrphidae 100%

• Missouri natural resource professionals share key insights for supporting agroforestry practices through cost-share funding available from USDA conservation programs

  Kronenberg, R., Lovell, S., Hall, D. & Harmon-Threatt, A., Mar 17 2023, In: Renewable Agriculture and Food Systems. 38, e18.

  Research output: Contribution to journal › Article › peer-review

  Open Access

  • Landowners 100%
  • Missouri 100%
  • Conservation Programs 100%
  • Shared Key 100%
  • Natural Resource Managers 100%

• Wild bee response to forest management varies seasonally and is mediated by resource availability

  Chase, M. H., Fraterrigo, J. M., Charles, B. & Harmon-Threatt, A., Nov 15 2023, In: Forest Ecology and Management. 548, 121426.

  Research output: Contribution to journal › Article › peer-review

  • Resource Availability 100%
  • Forest Management 100%
  • Bee Diversity 100%
  • Wild Bees 100%
  • Bee Communities 75%
• 2022

  Do Nearctic hover flies (Diptera: Syrphidae) engage in long-distance migration? An assessment of evidence and mechanisms

  Clem, C. S., Hobson, K. A. & Harmon-Threatt, A. N., Nov 2022, In: Ecological Monographs. 92, 4, e1542.

  Research output: Contribution to journal › Article › peer-review

  Open Access

  • Hovering 100%
  • Americanus 100%
  • Nearctic 100%
  • Syrphidae 100%
  • Evidence Evaluation 100%

• Woody perennial polycultures increase ant diversity and ant-mediated ecosystem services compared to conventional corn-soybean rotations

  Roeder, K. A. & Harmon-Threatt, A. N., Sep 15 2022, In: Agriculture, Ecosystems and Environment. 336, 108025.

  Research output: Contribution to journal › Article › peer-review

  Open Access

  • Corn-soybean Rotation 100%
  • Ecosystem Services 100%
  • Conventional Corn 100%
  • Perennial Polyculture 100%
  • Woody Perennials 100%
• 2021

  Adding essential oils to emergence tents has taxon-specific effects on trapping efficiency of ground-nesting bees

  Grommes, A. C., Harmon-Threatt, A. N. & Anderson, N. L., Apr 2021, In: Apidologie. 52, 2, p. 378-387 10 p.

  Research output: Contribution to journal › Article › peer-review

  Open Access

  • Trapping Efficiency 100%
  • Tent 100%
  • Taxon-specific 100%
  • Essential Oil 100%
  • Emergence Tents 100%

• Chronic contact with imidacloprid during development may decrease female solitary bee foraging ability and increase male competitive ability for mates

  Anderson, N. L. & Harmon-Threatt, A. N., Nov 2021, In: Chemosphere. 283, 131177.

  Research output: Contribution to journal › Article › peer-review

  • Imidacloprid 100%
  • Competitive Ability 100%
  • Bee Forage 100%
  • Solitary Bees 100%
  • Foraging Ability 100%

• Field Borders Provide Winter Refuge for Beneficial Predators and Parasitoids: A Case Study on Organic Farms

  Clem, C. S. & Harmon-Threatt, A. N., May 2021, In: Journal of insect science (Online). 21, 3, 2.

  Research output: Contribution to journal › Article › peer-review

  Open Access

  • Parasitoid 100%
  • Organic Farm 100%
  • Field Borders 100%
  • Beneficial Predator 100%
  • Winter Refuge 100%
• 2020

  Can anthophilous hover flies (Diptera: Syrphidae) discriminate neonicotinoid insecticides in sucrose solution?

  Clem, C. S., Sparbanie, T. M., Luro, A. B. & Harmon-Threatt, A. N., Jun 2020, In: PloS one. 15, 6, e0234820.

  Research output: Contribution to journal › Article › peer-review

  Open Access

  • Hovering 100%
  • Sucrose Solution 100%
  • Syrphidae 100%
  • Neonicotinoid Insecticides 100%
  • Diptera 100%

• Preliminary Illinois Bee Species Checklist (Hymenoptera: Apoidea) and use of Museum Collections

  Decker, B. L., Bryan, C., Kassim, L., Soley, N., Sipes, S. D., Arduser, M. & Harmon-Threatt, A. N., Jan 1 2020, In: Journal of the Kansas Entomological Society. 93, 1, p. 34-74 41 p.

  Research output: Contribution to journal › Article › peer-review

  • Illinois 100%
  • Species List 100%
  • Museum Collections 100%
  • Hymenoptera 100%
  • Bee Species 100%
• 2019

  Bee diversity in tallgrass prairies affected by management and its effects on above- and below-ground resources

  Buckles, B. J. & Harmon-Threatt, A. N., Nov 1 2019, In: Journal of Applied Ecology. 56, 11, p. 2443-2453 11 p.

  Research output: Contribution to journal › Article › peer-review

  Open Access

  • Soil Conditions 100%
  • Tallgrass Prairie 100%
  • Bee Diversity 100%
  • Soil Quality 100%
  • Prairies 100%

• Chronic contact with realistic soil concentrations of imidacloprid affects the mass, immature development speed, and adult longevity of solitary bees

  Anderson, N. L. & Harmon-Threatt, A. N., Dec 1 2019, In: Scientific reports. 9, 1, 3724.

  Research output: Contribution to journal › Article › peer-review

  Open Access

  • Imidacloprid 100%
  • Neonicotinoids 100%
  • Soil Concentrations 100%
  • Solitary Bees 100%
  • Development Speed 100%

• Growing or dormant season burns: the effects of burn season on bee and plant communities

  Decker, B. L. & Harmon-Threatt, A. N., Nov 1 2019, In: Biodiversity and Conservation. 28, 13, p. 3621-3631 11 p.

  Research output: Contribution to journal › Article › peer-review

  • Plant Community 100%
  • Bee Communities 100%
  • Season of Burn 100%
  • Growing-season Burn 100%
  • Growing Season 100%

• Reduced water-availability lowers the strength of negative plant–soil feedbacks of two Asclepias species

  Snyder, A. E. & Harmon-Threatt, A. N., Jun 1 2019, In: Oecologia. 190, 2, p. 425-432 8 p.

  Research output: Contribution to journal › Article › peer-review

  • Water Availability 100%
  • Reduced Water 100%
  • Asclepias 100%
  • Microbial Community 50%
  • Climate Change 50%
• 2017

  An Assessment of the Efficacy and Peak Catch Rates of Emergence Tents for Measuring Bee Nesting

  Pane, A. M. & Harmon-Threatt, A. N., Jun 2017, In: Applications in Plant Sciences. 5, 6, 1700007.

  Research output: Contribution to journal › Article › peer-review

  Open Access

  • Tent 100%
  • Catch Rate 100%
  • Emergence Tents 100%
  • Soil Moisture 100%
  • Capture Rate 50%

• Estimating resource preferences of a native bumblebee: the effects of availability and use–availability models on preference estimates

  Harmon-Threatt, A. N., de Valpine, P. & Kremen, C., May 2017, In: Oikos. 126, 5, p. 633-641 9 p.

  Research output: Contribution to journal › Article › peer-review

  Open Access

  • Resource Use 100%
  • Bumblebee 100%
  • Inflorescence 100%
  • Resource Preference 100%
  • Spadix 100%
• 2016

  Common Methods for Tallgrass Prairie Restoration and Their Potential Effects on Bee Diversity

  Harmon-Threatt, A. & Chin, K., Oct 2016, In: Natural Areas Journal. 36, 4, p. 400-411 12 p.

  Research output: Contribution to journal › Article › peer-review

  Open Access

  • Tallgrass Prairie 100%
  • Bee Diversity 100%
  • Tallgrass Prairie Restoration 100%
  • Plant Response 100%
  • Restoration Process 66%
• 2015

  Bumble bees selectively use native and exotic species to maintain nutritional intake across highly variable and invaded local floral resource pools

  Harmon-Threatt, A. N. & Kremen, C., Aug 1 2015, In: Ecological Entomology. 40, 4, p. 471-478 8 p.

  Research output: Contribution to journal › Article › peer-review

  Open Access

  • Exotic Species 100%
  • Bumblebee 100%
  • Native Species 100%
  • Floral Resources 100%
  • Resource Pool 100%

• Prairie restorations and bees: The potential ability of seed mixes to foster native bee communities

  Harmon-Threatt, A. N. & Hendrix, S. D., Feb 1 2015, In: Basic and Applied Ecology. 16, 1, p. 64-72 9 p.

  Research output: Contribution to journal › Article › peer-review

  • Native Bees 100%
  • Prairie Restoration 100%
  • Seed Mixture 100%
  • Bee Communities 100%
  • Seeds 100%

• Testing models of bee foraging behavior through the analysis of pollen loads and floral density data

  Marchand, P., Harmon-Threatt, A. N. & Chapela, I., Oct 1 2015, In: Ecological Modelling. 313, p. 41-49 9 p.

  Research output: Contribution to journal › Article › peer-review

  Open Access

  • Foraging Behavior 100%
  • Testing Model 100%
  • Density Data 100%
  • Bee Forage 100%
  • Pollen Load 100%
• 2013

  Filtering across Spatial Scales: Phylogeny, Biogeography and Community Structure in Bumble Bees

  Harmon-Threatt, A. N. & Ackerly, D. D., Mar 27 2013, In: PloS one. 8, 3, e60446.

  Research output: Contribution to journal › Article › peer-review

  • Phylogeny 100%
  • Biogeography 100%
  • Local Community 100%
  • Community Structure 100%
  • Bumblebee 100%

• General models for resource use or other compositional count data using the Dirichlet-multinomial distribution

  De Valpine, P. & Harmon-Threatt, A. N., Dec 2013, In: Ecology. 94, 12, p. 2678-2687 10 p.

  Research output: Contribution to journal › Article › peer-review

  • Resource Use 100%
  • Dirichlet-multinomial 100%
  • Count Data 100%
  • Multinomial Distribution 100%
  • Habitat Use 40%
• 2011

  A phylogenetically controlled analysis of the roles of reproductive traits in plant invasions

  Burns, J. H., Ashman, T. L., Steets, J. A., Harmon-Threatt, A. & Knight, T. M., Aug 2011, In: Oecologia. 166, 4, p. 1009-1017 9 p.

  Research output: Contribution to journal › Article › peer-review

  • Reproductive Traits 100%
  • Introduced Species 100%
  • Plant Invasion 100%
  • Native Species 66%
  • Pollen Limitation 66%
• 2009

  Breeding system and pollination ecology of introduced plants compared to their native relatives

  Harmon-Threatt, A. N., Burns, J. H., Shemyakina, L. A. & Knight, T. M., Aug 2009, In: American journal of botany. 96, 8, p. 1544-1550 7 p.

  Research output: Contribution to journal › Article › peer-review

  • Breeding System 100%
  • Introduced Species 100%
  • Pollination Ecology 100%
  • Introduced Plant Species 100%
  • Introduced Plants 100%